EcoFlow RIVER 3 Plus
286 Wh, 600 W AC output.
Lifecycle status: Unknown. Confidence: Verified. Last verified: 2026-06-24.
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Source-aware comparison
EcoFlow RIVER 3 Plus vs Anker SOLIX C300
A source-backed comparison with neutral, spec-derived verdicts. Unknown fields stay visible, and both stations use the same runtime assumptions.
Anker SOLIX C300
288 Wh, 300 W AC output.
Lifecycle status: Unknown. Confidence: Verified. Last verified: 2026-06-24.
Capacity
Capacity: C300 is higher by 2 Wh.
AC Output
AC output: RIVER 3 Plus is higher by 300 W.
Solar Input
Solar input: RIVER 3 Plus is higher by 120 W.
The 60 W runtime estimate assumes AC output, 85% conversion efficiency, and 10% battery reserve. It is a sanity check, not a lab-tested result. This label describes availability in the cited region only. It does not imply that another model is universally better, compatible, or an official replacement.
Which one, when?
These verdicts are computed only from tracked specs. They do not use price, affiliate status, ads, sponsorships, or untracked preferences.
Best for longer runtime margin
Anker SOLIX C300 leads this tracked field: 288 Wh vs EcoFlow RIVER 3 Plus at 286 Wh (+2 Wh).
Best for higher AC loads
EcoFlow RIVER 3 Plus leads this tracked field: 600 W vs Anker SOLIX C300 at 300 W (+300 W).
Best for startup surge headroom
EcoFlow RIVER 3 Plus leads this tracked field: 1,200 W vs Anker SOLIX C300 at 600 W (+600 W).
Best for faster solar refill
EcoFlow RIVER 3 Plus leads this tracked field: 220 W vs Anker SOLIX C300 at 100 W (+120 W).
Best for portability
Anker SOLIX C300 leads this tracked field: 4.1 kg vs EcoFlow RIVER 3 Plus at 4.7 kg (+0.6 kg).
Use the cards as planning shortcuts, then confirm the full spec table and source links below. A larger number is not automatically better for every use case.
Runtime Examples
Same assumptions on both sides: AC output, 85% efficiency, 10% reserve, healthy battery, and steady load.
Swipe table sideways
| Example load | RIVER 3 Plus | C300 |
|---|---|---|
| 60 W AC essentials | 3h 39m | 3h 40m |
| 120 W AC small appliance | 1h 49m | 1h 50m |
| 700 W AC kitchen or tool load | above AC rating | above AC rating |
Swipe table sideways
| Spec | RIVER 3 Plus | C300 |
|---|---|---|
| Battery capacity | 286 Wh | 288 Wh |
| Battery chemistry | LiFePO4 | LiFePO4 |
| AC output | 600 W | 300 W |
| Surge output | 1,200 W | 600 W |
| DC output | 126 W | 120 W |
| USB-C output | 100 W | 140 W |
| Solar input | 220 W | 100 W |
| Weight | 4.7 kg | 4.13 kg |
| Lifecycle status | Unknown | Unknown |
| 60 W AC estimate | 3h 39m | 3h 40m |
| Confidence | Verified | Verified |
| Last verified | 2026-06-24 | 2026-06-24 |
Planning Watch-Outs
These checks explain where the comparison is strong and where it still needs better source coverage.
- 5 of 5 high-impact comparison fields are filled on both sides.
- C300 has the larger nominal battery capacity, but usable Wh still depends on reserve, efficiency, temperature, and battery age.
- C300 is lighter in the tracked weight data, which matters if the station is moved often.
- RIVER 3 Plus has the higher tracked solar input, assuming compatible panels and charge-voltage limits.
Sources
Comparison rows come directly from the linked model records.
RIVER 3 Plus
- EcoFlow RIVER 3 Plus specifications (official; checked 2026-06-24)
- EcoFlow RIVER 3 Plus regional full specs (official; checked 2026-06-24)
C300
- Anker SOLIX C300 specifications (official; checked 2026-06-24)
- Anker SOLIX C300 user manual (official; checked 2026-06-24)
How to read this comparison
Use this page as a source-backed spec and runtime planning comparison. It is not a full buying guide, and it does not rank products by price, affiliate terms, or sponsorship.